package com.itheima.resolver;

import com.itheima.exception.MyException;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class MyResolver implements HandlerExceptionResolver {
    @Override
    public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
        ModelAndView modelAndView = new ModelAndView ();
        if(ex instanceof MyException){
            modelAndView.addObject (request.getAttribute (ex.getMessage ()));
        }else{
            modelAndView.addObject ("服务器正忙...");
        }
        return modelAndView;
    }
}
